Defect investigation of LPT rotor blades of an aeroengine

Suresh Kumar, M and Madan, M and Venkataswamy, MA and Sujata, M and Bhaumik, SK (2007) Defect investigation of LPT rotor blades of an aeroengine. Project Report. National Aerospace Laboratories, Bangalore, India.

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Abstract

Fluorescent dye penetrant inspection (FPI) carried out at NAL did not reveal any cracks anywhere in blade No. SA 7248-22 and in the suspected regions in blade No. BULZ 10. However, FPI and SEM examination showed presence of a tight crack on the convex surface at the leading edge close to the blade root platform in blade No. BULZ 10. Adjacent to the crack, a shallow mechanical damage was observed on the blade airfoil surface.

Item Type: Proj.Doc/Technical Report (Project Report)
Uncontrolled Keywords: Aeroengine;LPTR blade;FPI;Cracks
Subjects: AERONAUTICS > Aeronautics (General)
CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
Division/Department: Materials Science Division, Materials Science Division, Materials Science Division, Materials Science Division, Materials Science Division
Depositing User: Ms. Alphones Mary
Date Deposited: 27 Jul 2011 11:34
Last Modified: 27 Jul 2011 11:34
URI: http://nal-ir.nal.res.in/id/eprint/9618

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